The alliance was formed in 2021 participating in the local elections held the same year with its electoral number being 1.

Third Force consisted of three parties: Strategy Aghmashenebeli, Free Democrats and the Republican Party of Georgia, however, they were also joined by other prominent opposition figured such as Grigol Vashadze, former chairman of United National Movement and a runner-up in the 2018 presidential election.

[3] Tamar Kekenadze, the chairwoman of Free Democrats, was nominated as the coalition's candidate for the 2021 Tbilisi mayoral election receiving 0.59% of the vote and finishing in the 9th place.

Republican party participated in the election as part of the Strength is in Unity with it attaining 27.18% of the vote and becoming the largest opposition group in the Georgian parliament.

Civil Georgia attributed the underperformance to ex-president Mikheil Saakashvili's return to the country and the subsequent arrest with the opposition rallying around him and his party UNM.